2440225 has 6 divisors (see below), whose sum is σ = 3025910. Its totient is φ = 1952160.

The previous prime is 2440223. The next prime is 2440237. The reversal of 2440225 is 5220442.

It can be written as a sum of positive squares in 3 ways, for example, as 117649 + 2322576 = 343^2 + 1524^2 .

It is not a de Polignac number, because 2440225 - 2¹ = 2440223 is a prime.

2440225 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2440223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 48780 + ... + 48829.

2^2440225 is an apocalyptic number.

2440225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2440225 is a deficient number, since it is larger than the sum of its proper divisors (585685).

2440225 is an equidigital number, since it uses as much as digits as its factorization.

2440225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97619 (or 97614 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 2440225 is about 1562.1219542661. The cubic root of 2440225 is about 134.6304479219.

Adding to 2440225 its reverse (5220442), we get a palindrome (7660667).

The spelling of 2440225 in words is "two million, four hundred forty thousand, two hundred twenty-five".